Wednesday, March 19, 2009
Objective: The student will be able to:
Apply ratio of similarity for slope angles and tangent ratios
Apply various angle theorems to complex diagrams and problems
Investigate probability and list outcomes systematically
Agenda:
I. Finish tests
II. Check your homework against answers on overhead
III. Ask me questions about this work. What can I explain to you, what are you missing?
Homework answers:
4-36. a: b: c:
4-37. a: 24
b: ,
c:
4-38. They are congruent. They are similar (SSS ~) and the ratio is 1.
4-39. a: It implies that because Brian is always late on Tuesday, then today must be Tuesday.
b: The “Brian is always late on Tuesdays” and “Today is Tuesday” ovals should be next to each other, both with arrows pointing to “Brian will be late today.”
4-40. Her father’s eyes were ≈ 69.126 inches high.
4-43. a: either 3 or b: either 9 or
4-44. a: b:
4-45. tuna & ice cream, or tuna & cookies; turkey & brownies, turkey & ice cream, or
turkey & cookies; lasagna & brownies, lasagna & ice cream, or lasagna & cookies.
4-46. feet
4-47.
4-54. a: 12 boys b: 22 girls c: d: 7 boys left, 23 students, so
4-55. It assumes that everyone who likes bananas is a monkey.
4-56. a: , Pythagorean Theorem
b: , alternate interior angles and the Triangle Angle Sum Conjecture
4-57. feet